Home / 6,929.31-10,387.49-2,545.59

Finding the Fourth Proportional to 6,929.31, 10,387.49 and 2,545.59

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Solution

The fourth proportional to 6,929.31, 10,387.49 and 2,545.59 is: 3,816.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.31 : 10,387.49 = 2,545.59 : x
  2. Step 2: Convert to fraction form
    6,929.31/10,387.49 = 2,545.59/x
  3. Step 3: Cross multiply
    6,929.31x = 10,387.49 × 2,545.59
  4. Step 4: Simplify right side
    6,929.31x = 26,442,277.94
  5. Step 5: Solve for x
    x = 26,442,277.94/6,929.31
  6. Step 6: Final answer
    x = 3,816.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.